<template>
<div>
  <NavHeader></NavHeader>
  <NavBread>
    <span>My Cart</span>
  </NavBread>
<svg style="position: absolute; width: 0; height: 0; overflow: hidden;" version="1.1"
     xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
  <defs>
    <symbol id="icon-add" viewBox="0 0 32 32">
      <title>add2</title>
      <path class="path1"
            d="M15 17h-13.664c-0.554 0-1.002-0.446-1.002-1 0-0.552 0.452-1 1.002-1h13.664v-13.664c0-0.554 0.446-1.002 1-1.002 0.552 0 1 0.452 1 1.002v13.664h13.664c0.554 0 1.002 0.446 1.002 1 0 0.552-0.452 1-1.002 1h-13.664v13.664c0 0.554-0.446 1.002-1 1.002-0.552 0-1-0.452-1-1.002v-13.664z"></path>
    </symbol>
    <symbol id="icon-ok" viewBox="0 0 32 32">
      <title>ok</title>
      <path class="path1"
            d="M31.020 0.438c-0.512-0.363-1.135-0.507-1.757-0.406s-1.166 0.435-1.529 0.937l-17.965 24.679-5.753-5.67c-0.445-0.438-1.035-0.679-1.664-0.679s-1.219 0.241-1.664 0.679c-0.917 0.904-0.917 2.375 0 3.279l7.712 7.6c0.438 0.432 1.045 0.681 1.665 0.681l0.195-0.008c0.688-0.057 1.314-0.406 1.717-0.959l19.582-26.9c0.754-1.038 0.512-2.488-0.538-3.233z"></path>
    </symbol>
    <symbol id="icon-edit" viewBox="0 0 32 32">
      <title>edit</title>
      <path class="path1"
            d="M28.287 8.51l-4.805-4.806 0.831-0.831c0.472-0.472 1.086-0.777 1.564-0.777 0.248 0 0.452 0.082 0.622 0.253l3.143 3.144c0.539 0.54 0.133 1.529-0.524 2.186l-0.831 0.831zM26.805 9.992l-1.138 1.138-4.805-4.806 1.138-1.138 4.805 4.806zM24.186 12.612l-14.758 14.762-4.805-4.806 14.758-14.762 4.805 4.806zM7.379 28.288l-4.892 1.224 1.223-4.894 3.669 3.67zM31.123 4.011l-3.143-3.144c-0.567-0.567-1.294-0.867-2.103-0.867-1.036 0-2.174 0.52-3.045 1.391l-20.429 20.436c-0.135 0.134-0.23 0.302-0.276 0.487l-2.095 8.385c-0.089 0.355 0.017 0.736 0.276 0.995 0.198 0.198 0.461 0.307 0.741 0.307 0.085 0 0.171-0.010 0.254-0.031l8.381-2.096c0.185-0.047 0.354-0.142 0.487-0.276l20.43-20.436c1.409-1.41 2.042-3.632 0.524-5.15v0z"></path>
    </symbol>
    <symbol id="icon-del" viewBox="0 0 32 32">
      <title>delete</title>
      <path class="path1"
            d="M11.355 4.129v-2.065h9.29v2.065h-9.29zM6.194 29.935v-23.742h19.613v23.742h-19.613zM30.968 4.129h-8.258v-3.097c0-0.569-0.463-1.032-1.032-1.032h-11.355c-0.569 0-1.032 0.463-1.032 1.032v3.097h-8.258c-0.569 0-1.032 0.463-1.032 1.032s0.463 1.032 1.032 1.032h3.097v24.774c0 0.569 0.463 1.032 1.032 1.032h21.677c0.569 0 1.032-0.463 1.032-1.032v-24.774h3.097c0.569 0 1.032-0.463 1.032-1.032s-0.463-1.032-1.032-1.032v0z"></path>
      <path class="path2"
            d="M10.323 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
      <path class="path3"
            d="M16 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
      <path class="path4"
            d="M21.677 9.806c-0.569 0-1.032 0.463-1.032 1.032v14.452c0 0.569 0.463 1.032 1.032 1.032s1.032-0.463 1.032-1.032v-14.452c0-0.569-0.463-1.032-1.032-1.032z"></path>
    </symbol>
    <symbol id="icon-clock" viewBox="0 0 32 32">
      <title>clock</title>
      <path class="path1" fill="#605f5f"
            d="M16 29c-7.168 0-13-5.831-13-13s5.832-13 13-13c7.168 0 13 5.832 13 13s-5.832 13-13 13zM16 0c-8.822 0-16 7.178-16 16s7.178 16 16 16c8.822 0 16-7.178 16-16s-7.178-16-16-16z"></path>
      <path class="path2" fill="#605f5f"
            d="M23.958 21.837l-6.958-6.489v-6.282c0-0.827-0.673-1.5-1.5-1.5s-1.5 0.673-1.5 1.5v6.934c0 0.414 0.174 0.814 0.477 1.098l7.435 6.934c0.279 0.259 0.642 0.402 1.023 0.402 0.415 0 0.814-0.174 1.096-0.477 0.564-0.605 0.532-1.555-0.073-2.12z"></path>
    </symbol>
  </defs>
</svg>
<div class="container">
  <div class="cart">
    <div class="page-title-normal">
      <h2 class="page-title-h2"><span>My Cart</span></h2>
    </div>
    <div class="item-list-wrap">
      <div class="cart-item">
        <div class="cart-item-head">
          <ul>
            <li>Items</li>
            <li>Price</li>
            <li>Quantity</li>
            <li>Subtotal</li>
            <li>Edit</li>
          </ul>
        </div>
        <ul class="cart-item-list">
          <li v-for="item in cartList" :key="item.productId">
            <div class="cart-tab-1">
              <div class="cart-item-check">
                <a href="javascript:;" class="checkbox-btn item-check-btn" 
                :class="{'check':item.checked == '1'}" @click="editCart('check',item)">
                  <svg class="icon icon-ok">
                    <use xlink:href="#icon-ok"></use>
                  </svg>
                </a>
              </div>
              <div class="cart-item-pic">
                <img :src="'/static/'+item.productImage" :alt = "item.productName">
              </div>
              <div class="cart-item-title">
                <div class="item-name">{{item.productName}}</div>
              </div>
            </div>
            <div class="cart-tab-2">
              <div class="item-price">{{item.salePrice | currency('$')}}</div>
            </div>
            <div class="cart-tab-3">
              <div class="item-quantity">
                <div class="select-self select-self-open">
                  <div class="select-self-area">
                    <a class="input-sub" @click="editCart('minus',item)">-</a>
                    <span class="select-ipt">{{item.productNum}}</span>
                    <a class="input-add" @click="editCart('add',item)">+</a>
                  </div>
                </div>
              </div>
            </div>
            <div class="cart-tab-4">
              <div class="item-price-total">{{(item.salePrice*item.productNum) | currency('$')}}</div>
            </div>
            <div class="cart-tab-5">
              <div class="cart-item-opration">
                <a href="javascript:;" class="item-edit-btn" @click="delCartConfirm(item)">
                  <svg class="icon icon-del">
                    <use xlink:href="#icon-del"></use>
                  </svg>
                </a>
              </div>
            </div>
          </li>
        </ul>
      </div>
    </div>
    <div class="cart-foot-wrap">
      <div class="cart-foot-inner">
        <div class="cart-foot-l">
          <div class="item-all-check">
            <a href="javascipt:;" @click="togglecheckAll">
                  <span class="checkbox-btn item-check-btn" :class="{'check':checkAllFlag}">
                      <svg class="icon icon-ok"><use xlink:href="#icon-ok"/></svg>
                  </span>
              <span>Select all</span>
            </a>
          </div>
        </div>
        <div class="cart-foot-r">
          <div class="item-total">
            Item total: <span class="total-price">{{totalPrice | currency('$')}}</span>
          </div>
          <div class="btn-wrap">
            <a class="btn btn--red" :class="{'btn--dis':checkedCount ==0}" @click="checkOut">
              Checkout</a>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>
<Modal :mdShow="modalConfirm" @close="closeModal">
  <p slot="message">
    你确认要删除此条数据吗？
  </p>
  <div slot="btnGroup">
    <a class="btn btn--m" @click="delCart">确认</a>
    <a class="btn btn--m" @click="modalConfirm = false">取消</a>
  </div>
</Modal>
<NavFooter></NavFooter>
</div>
</template>

<script>
import '../assets/css/checkout.css'
import '../assets/css/base.css'
import '../assets/css/product.css'
import NavHeader from '../components/NavHeader'
import NavFooter from '../components/NavFooter'
import NavBread from '../components/NavBread'
import Modal from '../components/Modal'
import axios from 'axios'


export default{
  data() {
    return {
      cartList:[],
      delItem:{},
      modalConfirm: false,
    }
  },
  components: {
    NavHeader,
    NavFooter,
    NavBread,
    Modal
  },
  mounted() { 
    this.init()
  },
  computed: {
    checkAllFlag() {
      return this.checkedCount == this.cartList.length
    },
    checkedCount() {
      var i = 0
      this.cartList.forEach((item) => {
        if(item.checked == '1') i++;
      })
      return i
    },
    totalPrice() {
      var money = 0
      this.cartList.forEach((item) => {
        if(item.checked =='1') {
          money += parseFloat(item.salePrice) * parseInt(item.productNum)
        }
        
      })
      return money
    }
  },
  methods: {
    //  渲染购物车列表
    init() {
      axios.get('/users/cartList').then((response) => {
        let res = response.data;
        this.cartList = res.result
      })
    },
    //  关闭删除弹框
    closeModal() {
      this.modalConfirm = false
    },

    //  弹出删除弹框
    delCartConfirm(item) {
      this.delItem = item;
      this.modalConfirm = true
    },

    //  删除商品
    delCart() {
      axios.post("/users/cartDel",{
        productId:this.delItem.productId
      }).then((response) => {
        let res = response.data
        if(res.status == '0') {
          this.modalConfirm = false
          this.init()
          this.$store.commit("updataCartCount",-this.delItem.productNum)
        }
      })
    },

    //  修改商品信息
    editCart(flag,item) {
      if(flag == 'add') {
        item.productNum ++;
        this.$store.commit("updataCartCount",1)
      }else if(flag == 'minus'){
        if(item.productNum<=1){
          return
        }
        item.productNum --;
        this.$store.commit("updataCartCount",-1)
      }else {
        item.checked = item.checked=='1'?'0':"1"
      }
      axios.post('/users/cartEdit',{
        productId:item.productId,
        productNum:item.productNum,
        checked:item.checked
      }).then((response) => {
        let res = response.data
      })
    },

    //  全选并实时修改数据库
    togglecheckAll() {
      var flag = !this.checkAllFlag
      this.cartList.forEach((item) => {
        item.checked = flag
      })
      axios.post('/users/editCheckAll',{
        checkAll:flag
      }).then((response) => {
        let res = response.data
        if(res.status == '0') {
          console.log('updata success')
        }
      })
    },

    checkOut() {
      if(this.checkedCount > 0) {
        this.$router.push({
          path:'/address',
        })
      }
    }
  }
}
</script>

<style>
  .input-sub,.input-add{
    min-width: 40px;
    height: 100%;
    border: 0;
    color: #605F5F;
    text-align: center;
    font-size: 16px;
    overflow: hidden;
    display: inline-block;
    background: #f0f0f0;
  }
  .item-quantity .select-self-area{
    background:none;
    border: 1px solid #f0f0f0;
  }
  .item-quantity .select-self-area .select-ipt{
    display: inline-block;
    padding:0 3px;
    width: 30px;
    min-width: 30px;
    text-align: center;
  }
</style>

